Accurate pattern prediction of very closely spaced mismatched antennas using measured active element patterns

Tang, Xinyi, Mouthaan, Koen, & Coetzee, Jacob (2013) Accurate pattern prediction of very closely spaced mismatched antennas using measured active element patterns. In Proceedings of the 2013 7th European Conference on Antennas and Propagation, IEEE, Swedish Exhibition & Convention Centre, Gothenburg; Sweden, pp. 3300-3304.

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Abstract

A method for prediction of the radiation pattern of N strongly coupled antennas with mismatched sources is presented. The method facilitates fast and accurate design of compact arrays. The prediction is based on the measured N-port S parameters of the coupled antennas and the N active element patterns measured in a 50 ω environment. By introducing equivalent power sources, the radiation pattern with excitation by sources with arbitrary impedances and various decoupling and matching networks (DMN) can be accurately predicted without the need for additional measurements. Two experiments were carried out for verification: pattern prediction for parasitic antennas with different loads and for antennas with DMN. The difference between measured and predicted patterns was within 1 to 2 dB.

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ID Code: 62990
Item Type: Conference Paper
Refereed: No
ISBN: 9788890701832
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Deposited On: 29 Sep 2013 23:45
Last Modified: 25 Mar 2014 05:15

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